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I used the calculator, but it doens't input it like I would like it to.. (I tried using this (m^2-9)/(m^2-1) ∶  (m^2+4m+3)/(m^2-4m+3), but the result was far from what I needed)

This is how the equation should look like from the start: http://prntscr.com/enbg9t

 

 

Thanks in advance!

Guest Mar 23, 2017
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1+0 Answers

 #1
avatar+77035 
+1

[ (m ^2  - 9) / (m^2 - 1) ]  / [ (m^2 + 4m + 3 )  /  (m^2 - 4m + 3) ]  =

 

Invert the second fraction and multiply

 

[ (m ^2  - 9) / (m^2 - 1) ]  *  [ (m^2 - 4m + 3 )  /  (m^2 + 4m + 3) ]

 

Factor where possible

 

[ (m + 3) (m - 3)] * [ (m -3) (m -1) ] / [ (m + 1) ( m - 1) * (m + 1) ( m + 3) ]

 

Cancel terms where possible

 

[ ( m - 3) (m - 3) ] / [ (m + 1) (m + 1) ]  =

 

(m -3)^2  / (m + 1)^2  =      [ m^2 - 6m + 9 ] / [ m ^2 + 2m + 1 ]

 

 

 

cool cool cool

CPhill  Mar 23, 2017

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